NWPS Notifications

Notice (10/1/25): The U.S. government is closed. However, because the information this website provides is necessary to protect life and property, this site will be updated and maintained during the federal government shutdown.

For the latest forecasts and critical weather information, visit weather.gov.

To learn more, visit commerce.gov/news/blog

Notice (8/12/25): A data assimilation issue is impacting National Water Model (NWM) streamflow output, downstream of gauges where streamflow observations are collected and assimilated. This issue is also impacting experimental NWM Visualization Services, available at https://maps.water.noaa.gov/server, including services that depict predicted flood inundation extent.